A3&colon; No&period; Equipment manufacturers cannot void warranty of your equipment or service contract for using remanufactured cartridges&period; Current Laws prohibit any manufacturer from requiring you to buy their product exclusively&period; Here is what HP says&colon; "HP's warranty&colon; For HP printer products&comma; the use of a non-HP toner cartridgeor a refilled toner cartridge does not affect either the warranty to the customer or any HP support contractwith the customer&period;"

Q4&colon; How much money will I save by purchasing IBEST compatible toner cartridges&quest;

Q5&colon; Are compatible toner cartridges inferior to the original &lpar;OEM&rpar; cartridge&quest;

A5&colon; No&period; Our toner cartridges are all in strict quality control process and fully tested before packing&period;And our cartridges are in the same or exceed the original quality&period; Now our toner cartridges are in wellperformance in over 60 countries and got the European government order via our sales agents&period;

Q6&colon;Could you pay by PAYPAL&quest; How is your aftersales service&quest;